import pandas as pd

from sqlalchemy import create_engine

import cx_Oracle

db=cx_Oracle.connect('userid','password','10.10.1.10:1521/dbinstance')

print (db.version)

cr=db.cursor()

sql='select * from sys_user'

cr.execute(sql)

rs=cr.fetchall()

zz=pd.DataFrame(rs);

print (zz)

db.close()